9. Labelled arrows on diagrams should be:AhorizontalBverticalCin any direction

10. The part of a microscope where the microscope slide is placed is the: Abarrel Bstage Cbase

11. The lens of a microscope that is close to one's eye is the: Arevolving lens Bobjective lens Ceyepiece lens

12. The lens of a microscope that is close to the object to be viewed is the: Aobjective lens Beyepiece lens Cviewing lens

13. The specimen on the microscope slide to be viewed should be: Athick enough to prevent light passing through Btransparent to allow light to pass through Cmany layers of cells thick for a clearer picture

14. To calculate the total magnification, one should multiply the magnifications of: Aonly the revolving lenses Bboth eyepiece and objective lenses Call the objective lenses only

15. When packing microscopes away, students should first: Await for the light bulbs to cool so they don't 'blow' Bturn the objective lenses back to low power Cboth of the above